Inter-User-Equipment Scheduling for Sidelink Communications

1. A method for wireless communication by a first user equipment (UE), comprising: communicating one or more messages associated with establishing a sidelink communication connection with each of a set of UEs; transmitting, to a second UE of the set of UEs in accordance with communicating the one or more messages associated with establishing the sidelink communication connection, a message indicating that the first UE has a data transmission for one or more UEs of the set of UEs; receiving, from the second UE and broadcasted over a second set of resources, an indication that a first set of resources is allocated to the first UE for the data transmission; receiving, from the second UE, a wake-up signal indicating for the first UE to perform partial sensing on the first set of resources; and transmitting the data transmission over a subset of the first set of resources in accordance with receiving the indication that the first set of resources is allocated to the first UE for the data transmission and with receiving the wake-up signal, the subset of the first set of resources being in accordance with the partial sensing on the first set of resources.

2. The method of claim 1, further comprising removing a second subset of resources from the first set of resources in accordance with the partial sensing, wherein the second subset of resources have an energy metric indicating that the second subset of resources are occupied, and wherein transmitting the data transmission over the subset of the first set of resources is in accordance with removing the second subset of resources.

3. The method of claim 1, further comprising transmitting, to at least a subset of the set of UEs, a second indication that the subset of the first set of resources is allocated to the first UE in accordance with receiving the indication.

4. The method of claim 3, wherein the subset of the set of UEs comprises UEs outside of a coverage area of the second UE.

5. The method of claim 1, further comprising: performing the partial sensing on the first set of resources; and selecting the subset of the first set of resources for the data transmission in accordance with performing the partial sensing.

6. The method of claim 1, further comprising: performing partial sensing on the first set of resources; and transmitting, to the set of UEs in accordance with performing the partial sensing on the first set of resources, a second indication that the subset of the first set of resources is allocated to the first UE, wherein transmitting the data transmission is in accordance with transmitting the second indication.

7. The method of claim 1, further comprising: receiving, from a third UE, a second message indicating that a third set of resources are preempted by the third UE; refraining from transmitting on the third set of resources in accordance with receiving the second message; and transmitting a third message to the second UE indicating that the third set of resources is preempted, wherein transmitting the message indicating that the first UE has the data transmission is in accordance with the third message.

8. The method of claim 1, further comprising: receiving, from the second UE, a second message indicating that a third set of resources is preempted in accordance with a priority of another transmission; and refraining from transmitting on the third set of resources in response to receiving the second message.

9. The method of claim 1, wherein the partial sensing comprises: sensing a second subset of the first set of resources in accordance with receiving the wake-up signal; and selecting the subset of the first set of resources from the second subset of the first set of resources in accordance with sensing the second subset of the first set of resources.

10. A method for wireless communication by a first user equipment (UE), comprising: communicating one or more messages associated with establishing a sidelink communication connection with each of a set of UEs; receiving, from a second UE of the set of UEs, a message indicating that the second UE has a data transmission for one or more UEs of the set of UEs in accordance with communicating the one or more messages associated with establishing the sidelink communication connection; selecting a first set of resources for the data transmission in accordance with receiving the message; broadcasting, to the set of UEs and over a second set of resources, an indication that the first set of resources is allocated to the second UE for the data transmission; transmitting, to the second UE, a wake-up signal indicating for the second UE to perform partial sensing on the first set of resources in accordance with broadcasting the indication; and receiving, from the second UE, the data transmission via a subset of the first set of resources in accordance with transmitting the wake-up signal and broadcasting the indication, the subset of the first set of resources being in accordance with the partial sensing.

11. The method of claim 10, wherein broadcasting the indication comprises transmitting, to a subset of the set of UEs, a second message comprising a second indication that the first set of resources is allocated for the data transmission, wherein the subset of the set of UEs comprises one or more scheduling UEs.

12. The method of claim 11, wherein the second message comprises one or more of a medium access control control element message, a radio resource control message, a sidelink control information message, a broadcast message, a groupcast message, or one or more unicast messages.

13. The method of claim 10, further comprising: receiving coordination information from at least one UE of the set of UEs; and transmitting, to the second UE, scheduling information associated with the first set of resources that is allocated for the data transmission in accordance with the coordination information.

14. The method of claim 10, further comprising: receiving one or more second messages from at least a subset of the set of UEs; and updating a reservation table in accordance with the received one or more second messages, the reservation table indicating resources reserved by the subset of the set of UEs.

15. The method of claim 10, further comprising: receiving a second indication that the subset of the first set of resources is allocated to the second UE, wherein receiving the data transmission is in accordance with receiving the second indication.

16. The method of claim 10, further comprising: receiving, from a third UE, a second message indicating a reservation of a third set of resources; and transmitting, to the second UE, a third message indicating that the third set of resources is preempted in accordance with a priority of another transmission associated with the reservation of the third set of resources being higher than a priority of a transmission for the second UE using the third set of resources.

17. A first user equipment (UE), comprising: at least one processor; and at least one memory coupled with the at least one processor and storing instructions executable by the at least one processor to cause the apparatus first UE to: communicate one or more messages associated with establishing a sidelink communication connection with each of a set of UEs; transmit, to a second UE of the set of UEs in accordance with communicating the one or more messages associated with establishing the sidelink communication connection, a message indicating that the first UE has a data transmission for one or more UEs of the set of UEs; receive, from the second UE and broadcasted over a second set of resources, an indication that a first set of resources is allocated to the first UE for the data transmission; receive, from the second UE, a wake-up signal indicating for the first UE to perform partial sensing on the first set of resources in accordance with receiving the indication; and transmit the data transmission over a subset of the first set of resources in accordance with receiving the indication that the first set of resources is allocated to the first UE for the data transmission and with receiving the wake-up signal, the subset of the first set of resources being in accordance with the partial sensing on the first set of resources.

18. The first UE of claim 17, wherein the instructions are further executable by the at least one processor to cause the first UE to remove a second subset of resources from the first set of resources in accordance with the partial sensing, wherein the second subset of resources have an energy metric indicating that the second subset of resources are occupied, and wherein transmitting the data transmission over the subset of the first set of resources is in accordance with removal of the second subset of resources from the first set of resources.

19. The first UE of claim 17, wherein the instructions are further executable by the at least one processor to cause the first UE to transmit, to at least a subset of the set of UEs, a second indication that the subset of the first set of resources is allocated to the first UE in accordance with receiving the indication.

20. The first UE of claim 19, wherein the subset of the set of UEs comprises UEs outside of a coverage area of the second UE.

21. The first UE of claim 17, wherein the instructions are further executable by the at least one processor to cause the first UE to: perform the partial sensing on the first set of resources; and select the subset of the first set of resources for the data transmission in accordance with performing the partial sensing.

22. The first UE of claim 17, wherein the instructions are further executable by the at least one processor to cause the first UE to: perform the partial sensing on the first set of resources; and transmit, to the set of UEs in accordance with performing the partial sensing on the first set of resources, a second indication that the subset of the first set of resources is allocated to the first UE, wherein transmitting the data transmission is in accordance with transmitting the second indication.

23. The first UE of claim 17, wherein, to perform the partial sensing, the instructions are further executable by the at least one processor to cause the first UE to: sense a second subset of the first set of resources in accordance with receiving the wake-up signal; and select the subset of the first set of resources from the second subset of the first set of resources in accordance with sensing the second subset of the first set of resources.

24. A first user equipment (UE), comprising: at least one processor; and at least one memory coupled with the at least one processor and storing instructions executable by the at least one processor to cause the first UE to: communicate one or more messages associated with establishing a sidelink communication connection with each of a set of UEs; receive, from a second UE of the set of UEs, a message indicating that the second UE has a data transmission for one or more UEs of the set of UEs in accordance with communicating the one or more messages associated with establishing the sidelink communication connection; select a first set of resources for the data transmission in accordance with receiving the message; broadcasting, to the set of UEs and over a second set of resources, an indication that the first set of resources be allocated to the second UE for the data transmission; transmit, to the second UE, a wake-up signal indicating for the second UE to perform partial sensing on the first set of resources in accordance with broadcasting the indication; and receive, from the second UE, the data transmission via a subset of the first set of resources in accordance with transmitting the wake-up signal and broadcasting the indication, the subset of the first set of resources being in accordance with the partial sensing.

25. The first UE of claim 24, wherein the instructions to broadcast the indication are executable by the at least one processor to cause the first UE to transmit, to a subset of the set of UEs, a second message comprising a second indication that the first set of resources is allocated for the data transmission, wherein the subset of the set of UEs comprises one or more scheduling UEs.